135243283 has 12 divisors (see below), whose sum is σ = 159906432. Its totient is φ = 114019920.

The previous prime is 135243263. The next prime is 135243287. The reversal of 135243283 is 382342531.

It is a de Polignac number, because none of the positive numbers 2^k-135243283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135243287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19635 + ... + 25612.

It is an arithmetic number, because the mean of its divisors is an integer number (13325536).

Almost surely, 2^135243283 is an apocalyptic number.

135243283 is a deficient number, since it is larger than the sum of its proper divisors (24663149).

135243283 is an equidigital number, since it uses as much as digits as its factorization.

135243283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45322 (or 45315 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 135243283 is about 11629.4145596414. The cubic root of 135243283 is about 513.3007532123.

It can be divided in two parts, 13524 and 3283, that added together give a 5-th power (16807 = 7⁵).

The spelling of 135243283 in words is "one hundred thirty-five million, two hundred forty-three thousand, two hundred eighty-three".